DTC 83: PCM Communication Error
- Turn the ignition switch to ON (II).
- Check for DTCs with the HDS.
Is DTC 86 indicated with DTC 83 at the same time?
YES -Do the DTC 86 troubleshooting (see DTC 86: F-CAN COMMUNICATION ).
NO -Go to step 3.
- Check for the fuel and emissions systems DTCs with the HDS: '07-09 models (see
GENERAL TROUBLESHOOTING INFORMATION
), '10 model (see
GENERAL TROUBLESHOOTING INFORMATION
).
Are any DTCs indicated?
YES -Do the applicable troubleshooting for the PCM.
NO -Go to step 4.
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
- Check for DTCs with the HDS.
Is DTC 83 indicated?
YES -Check for loose terminals in the VSA modulator-control unit 46P connector. If necessary, substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ), then retest. If the VSA modulator-control unit was substituted, go to step 1.
NO -Intermittent failure, the system is OK at this time. Check for loose terminals between the PCM connector A (44P), and the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting (see INTERMITTENT FAILURES ).